158807899 has 2 divisors, whose sum is σ = 158807900. Its totient is φ = 158807898.

The previous prime is 158807879. The next prime is 158807903. The reversal of 158807899 is 998708851.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 158807899 - 2⁵ = 158807867 is a prime.

It is not a weakly prime, because it can be changed into another prime (158807819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79403949 + 79403950.

It is an arithmetic number, because the mean of its divisors is an integer number (79403950).

Almost surely, 2^158807899 is an apocalyptic number.

158807899 is a deficient number, since it is larger than the sum of its proper divisors (1).

158807899 is an equidigital number, since it uses as much as digits as its factorization.

158807899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1451520, while the sum is 55.

The square root of 158807899 is about 12601.9006106222. The cubic root of 158807899 is about 541.5318859083.

The spelling of 158807899 in words is "one hundred fifty-eight million, eight hundred seven thousand, eight hundred ninety-nine".